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Downloaded from ijiepm.iust.ac.ir at 14:23 IRST on Saturday November 4th 2017

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μ3 ⎟⎠⎟(1+εcosθ)3 ⎝⎜⎛

dL + 0.4⎞⎠⎟1.75 ΔP (Œ)

Q = c3μπR ⎡⎢⎣1.2 +11

dL⎤⎥⎦Δp (n)
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1268732040128

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Downloaded from ijiepm.iust.ac.ir at 14:23 IRST on Saturday November 4th 2017

Q =⎜⎜⎝μ3 ⎠⎟⎛⎜⎜1.⎛25− 0.⎞250.333 ⎟⎞⎟⎟ 1⎛ c3 ⎟⎞⎛⎜⎜DL⎞⎟⎟(f2 ( )θ2 − f2 ( )θ1 )Δp (‹) a
562357-92714

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:E3 #3
f1 = (1+εcosθ1)3 +(1+εcosθ2)3 (g)
2221231-34329f2( )θ=θ+3ε2⎛⎜θ+

1 sin 2θ⎟⎞+ε3⎛⎜sinθ− sin3θ⎞⎟ (l)
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error =∑1−(Hi − H j )Cij /Qij

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Downloaded from ijiepm.iust.ac.ir at 14:23 IRST on Saturday November 4th 2017

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